/* =========================================
   sidebar.css
========================================= */

.l-sidebar {
  width: 320px;
  flex-shrink: 0;
}

.p-sidebar-widget {
  margin-bottom: 24px;
  padding: 22px 20px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
}

.p-sidebar-widget:last-child {
  margin-bottom: 0;
}

.p-sidebar-widget__title {
  position: relative;
  margin: 0 0 18px;
  padding: 0 0 12px;
  font-size: 18px;
  line-height: 1.5;
  font-weight: 800;
  color: #111827;
  border-bottom: 1px solid #e5e7eb;
}

.p-sidebar-widget__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 86px;
  height: 2px;
  background: #2563eb;
  border-radius: 999px;
}

/* 通常リスト */
.p-sidebar-links,
.p-sidebar-widget ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.p-sidebar-widget li {
  margin: 0;
  padding: 0;
  border-bottom: 1px solid #f3f4f6;
}

.p-sidebar-widget li:last-child {
  border-bottom: none;
}

.p-sidebar-widget li a {
  display: block;
  padding: 12px 0;
  font-size: 14px;
  line-height: 1.7;
  color: #374151;
  text-decoration: none;
  transition:
    color 0.2s ease,
    padding-left 0.2s ease;
}

.p-sidebar-widget li a:hover {
  color: #2563eb;
  padding-left: 4px;
}

.p-sidebar-widget p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #4b5563;
}

/* =========================================
   single.php の目次
========================================= */
.p-sidebar-widget--toc {
  position: sticky;
  top: 24px;
  padding: 18px 18px 20px;
}

.p-sidebar-toc {
  font-size: 14px;
  line-height: 1.85;
  color: #374151;
}

/* プラグインが ul / ol どちらでも崩れないように */
.p-sidebar-toc ul,
.p-sidebar-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.p-sidebar-toc > ul > li,
.p-sidebar-toc > ol > li {
  position: relative;
  margin: 0 0 10px;
  padding: 0 0 0 18px;
  border: none;
}

/* 第1階層の青丸 */
.p-sidebar-toc > ul > li::before,
.p-sidebar-toc > ol > li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  width: 7px;
  height: 7px;
  background: #1d4ed8;
  border-radius: 50%;
}

/* 第1階層リンク */
.p-sidebar-toc > ul > li > a,
.p-sidebar-toc > ol > li > a {
  display: inline-block;
  padding: 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.9;
  color: #1f2937;
  text-decoration: none;
  border: none;
}

.p-sidebar-toc > ul > li > a:hover,
.p-sidebar-toc > ol > li > a:hover {
  color: #2563eb;
  padding-left: 0;
}

/* 第2階層 */
.p-sidebar-toc ul ul,
.p-sidebar-toc ol ol,
.p-sidebar-toc ul ol,
.p-sidebar-toc ol ul {
  margin: 8px 0 0 0;
  padding: 0 0 0 18px;
}

.p-sidebar-toc ul ul li,
.p-sidebar-toc ol ol li,
.p-sidebar-toc ul ol li,
.p-sidebar-toc ol ul li {
  position: relative;
  margin: 0 0 6px;
  padding: 0 0 0 14px;
  border: none;
}

/* L字ガイド風 */
.p-sidebar-toc ul ul li::before,
.p-sidebar-toc ol ol li::before,
.p-sidebar-toc ul ol li::before,
.p-sidebar-toc ol ul li::before {
  content: "└";
  position: absolute;
  top: 0;
  left: 0;
  color: #6b7280;
  font-size: 13px;
  line-height: 1.8;
}

.p-sidebar-toc ul ul a,
.p-sidebar-toc ol ol a,
.p-sidebar-toc ul ol a,
.p-sidebar-toc ol ul a {
  display: inline-block;
  padding: 0;
  font-size: 13px;
  line-height: 1.8;
  color: #4b5563;
  text-decoration: none;
}

.p-sidebar-toc ul ul a:hover,
.p-sidebar-toc ol ol a:hover,
.p-sidebar-toc ul ol a:hover,
.p-sidebar-toc ol ul a:hover {
  color: #2563eb;
  padding-left: 0;
}

/* 3階層目 */
.p-sidebar-toc ul ul ul,
.p-sidebar-toc ol ol ol,
.p-sidebar-toc ul ol ul,
.p-sidebar-toc ol ul ol {
  padding-left: 16px;
}

.p-sidebar-toc ul ul ul a,
.p-sidebar-toc ol ol ol a,
.p-sidebar-toc ul ol ul a,
.p-sidebar-toc ol ul ol a {
  font-size: 12px;
  color: #6b7280;
}

/* 検索フォームなどにも対応 */
.p-sidebar-widget .search-form,
.p-sidebar-widget .wp-block-search {
  display: flex;
  gap: 8px;
}

.p-sidebar-widget input[type="search"],
.p-sidebar-widget input[type="text"] {
  width: 100%;
  min-width: 0;
  height: 44px;
  padding: 0 14px;
  font-size: 14px;
  color: #111827;
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  outline: none;
}

.p-sidebar-widget input[type="search"]:focus,
.p-sidebar-widget input[type="text"]:focus {
  border-color: #93c5fd;
  box-shadow: 0 0 0 4px rgba(147, 197, 253, 0.2);
}

.p-sidebar-widget button,
.p-sidebar-widget input[type="submit"],
.p-sidebar-widget .wp-block-search__button {
  height: 44px;
  padding: 0 16px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: #111827;
  border: 1px solid #111827;
  border-radius: 10px;
  cursor: pointer;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.p-sidebar-widget button:hover,
.p-sidebar-widget input[type="submit"]:hover,
.p-sidebar-widget .wp-block-search__button:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

/* ウィジェット内画像 */
.p-sidebar-widget img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* タブレット以下 */
@media (max-width: 1024px) {
  .l-sidebar {
    width: 100%;
  }

  .p-sidebar-widget--toc {
    position: static;
    top: auto;
  }
}

/* スマホ */
@media (max-width: 768px) {
  .p-sidebar-widget {
    margin-bottom: 18px;
    padding: 18px 16px;
    border-radius: 12px;
  }

  .p-sidebar-widget__title {
    margin-bottom: 14px;
    padding-bottom: 8px;
    font-size: 16px;
  }

  .p-sidebar-toc > ul > li,
  .p-sidebar-toc > ol > li {
    padding-left: 16px;
  }

  .p-sidebar-toc > ul > li > a,
  .p-sidebar-toc > ol > li > a {
    font-size: 13px;
    line-height: 1.8;
  }

  .p-sidebar-toc ul ul a,
  .p-sidebar-toc ol ol a,
  .p-sidebar-toc ul ol a,
  .p-sidebar-toc ol ul a {
    font-size: 12px;
  }
}